Roget's Thesaurus by Peter Mark Roget

dilemma, perilepsis[obs3], a priori reasoning, reductio ad absurdum, horns of a dilemma, argumentum ad hominem [Lat.], comprehensive argument; empirema[obs3], epagoge[obs3]. [person who reasons] reasoner, logician, dialectician; disputant; controversialist, controvertist[obs3]; wrangler, arguer, debater polemic, casuist, rationalist; scientist; eristic[obs3]. logical sequence; good case; correct just reasoning, sound reasoning, valid reasoning, cogent reasoning, logical reasoning, forcible reasoning, persuasive reasoning, persuasory reasoning[obs3], consectary reasoning|, conclusive &c. 478; subtle reasoning; force of argument, strong point, strong argument, persuasive argument. arguments, reasons, pros and cons. V. reason, argue, discuss, debate, dispute, wrangle- argufy[obs3], bandy words, bandy arguments; chop logic; hold an argument, carry on an argument; controvert &c. (deny) 536; canvass; comment upon, moralize upon; spiritualize; consider &c. (examine) 461. open a discussion, open a case; try conclusions; join issue, be at issue; moot; come to the point; stir a question, agitate a question, ventilate a question, torture a question; take up a side, take up a case. contend, take one's stand upon, insist, lay stress on; infer &c. 480. follow from &c. (demonstration) 478. Adj. reasoning &c. v.; rationalistic; argumentative, controversial, dialectic, polemical; discursory[obs3], discursive; disputatious; Aristotelian[obs3], eristic[obs3], eristical[obs3]. debatable, controvertible. logical; relevant &c. 23. Adv. for, because, hence, whence, seeing that, since, sith[obs3], then thence so; for that reason, for this reason, for which reason; for as, inasmuch as; whereas, ex concesso[Lat], considering, in consideration of; therefore, wherefore; consequently, ergo, thus, accordingly; a fortiori. in conclusion, in fine; finally, after all, au bout du compt[Fr], on the whole, taking one thing with another. Phr. ab actu ad posse valet consecutio [Lat]; per troppo dibatter la verita si perde [It]; troppo disputare la verita fa errare [It]. #477. [The absence of reasoning.] Intuition. [False or vicious reasoning; show of reason.] Sophistry.—N. intuition, instinct, association, hunch, gut feeling; presentiment, premonition; rule of thumb; superstition; astrology[obs3]; faith (supposition) 514. sophistry, paralogy[obs3], perversion, casuistry, jesuitry, equivocation, evasion; chicane, chicanery; quiddet[obs3], quiddity; mystification; special pleading; speciousness &c. adj.; nonsense &c. 497; word sense, tongue sense. false reasoning, vicious reasoning, circular reasoning; petitio principii[Lat], ignoratio elenchi[Lat]; post hoc ergo propter hoc[Lat]; non sequitur, ignotum per ignotius[Lat]. misjudgment &c. 481; false teaching &c. 538. sophism, solecism, paralogism[obs3]; quibble, quirk, elenchus[obs3], elench[obs3], fallacy, quodlibet, subterfuge, subtlety, quillet[obs3]; inconsistency, antilogy[obs3]; "a delusion, a mockery, and a snare" [Denman]; claptrap, cant, mere words; "lame and impotent conclusion" [Othello]. meshes of sophistry, cobwebs of sophistry; flaw in an argument; weak point, bad case. overrefinement[obs3]; hairsplitting &c. v. V. judge intuitively, judge by intuition; hazard a proposition, hazard a guess, talk at random. reason ill, falsely &c. adj.; misjudge &c. 481; paralogize[obs3]. take on faith, take as a given; assume (supposition) 514. pervert, quibble; equivocate, mystify, evade, elude; gloss over, varnish; misteach &c. 538[obs3]; mislead &c. (error) 495; cavil, refine, subtilize[obs3], split hairs; misrepresent &c. (lie)